225 lines
9.4 KiB
C++
225 lines
9.4 KiB
C++
#include <array>
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#include <catch2/catch_test_macros.hpp>
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#include <iostream>
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#include "fsfw/cfdp/pdu/MetadataPduCreator.h"
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#include "fsfw/cfdp/pdu/MetadataPduReader.h"
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#include "fsfw/cfdp/tlv/FilestoreResponseTlv.h"
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#include "fsfw/cfdp/tlv/MessageToUserTlv.h"
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TEST_CASE("Metadata PDU", "[cfdp][pdu]") {
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using namespace cfdp;
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ReturnValue_t result;
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std::array<uint8_t, 256> mdBuffer = {};
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uint8_t* buffer = mdBuffer.data();
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size_t sz = 0;
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EntityId destId(WidthInBytes::TWO_BYTES, 2);
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TransactionSeqNum seqNum(WidthInBytes::TWO_BYTES, 15);
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EntityId sourceId(WidthInBytes::TWO_BYTES, 1);
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PduConfig pduConf(sourceId, destId, TransmissionMode::ACKNOWLEDGED, seqNum);
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std::string firstFileName = "hello.txt";
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cfdp::StringLv sourceFileName(firstFileName);
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cfdp::StringLv destFileName;
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Fss fileSize(35);
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MetadataGenericInfo info(false, ChecksumType::MODULAR, fileSize);
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FilestoreResponseTlv response(FilestoreActionCode::CREATE_DIRECTORY, FSR_CREATE_NOT_ALLOWED,
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sourceFileName, nullptr);
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std::array<uint8_t, 3> msg = {0x41, 0x42, 0x43};
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cfdp::Tlv responseTlv;
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std::array<uint8_t, 64> responseBuf = {};
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response.convertToTlv(responseTlv, buffer, responseBuf.size(), SerializeIF::Endianness::MACHINE);
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MessageToUserTlv msgToUser(msg.data(), msg.size());
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std::array<Tlv*, 2> options{&responseTlv, &msgToUser};
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std::array<Tlv, 5> tlvDeser{};
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REQUIRE(options[0]->getSerializedSize() == 2 + 1 + 10 + 1);
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REQUIRE(options[1]->getSerializedSize() == 5);
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auto metadataCheckPartOne = [&]() {
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REQUIRE(mdBuffer[10] == FileDirective::METADATA);
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// no closure requested and checksum type is modular => 0x00
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REQUIRE(mdBuffer[11] == 0x00);
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uint32_t fileSizeRaw = 0;
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result = SerializeAdapter::deSerialize(&fileSizeRaw, mdBuffer.data() + 12, nullptr,
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SerializeIF::Endianness::NETWORK);
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REQUIRE(result == returnvalue::OK);
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REQUIRE(fileSizeRaw == 35);
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REQUIRE(mdBuffer[16] == 9);
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REQUIRE(mdBuffer[17] == 'h');
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REQUIRE(mdBuffer[18] == 'e');
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REQUIRE(mdBuffer[19] == 'l');
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REQUIRE(mdBuffer[20] == 'l');
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REQUIRE(mdBuffer[21] == 'o');
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REQUIRE(mdBuffer[22] == '.');
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REQUIRE(mdBuffer[23] == 't');
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REQUIRE(mdBuffer[24] == 'x');
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REQUIRE(mdBuffer[25] == 't');
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};
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SECTION("Serialize with empty dest name") {
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MetadataPduCreator serializer(pduConf, info, sourceFileName, destFileName, nullptr, 0);
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result = serializer.serialize(&buffer, &sz, mdBuffer.size(), SerializeIF::Endianness::NETWORK);
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REQUIRE(result == returnvalue::OK);
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CHECK(sz == serializer.getSerializedSize());
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// 10 byte heater + 1 byte PDU directive field + 1 byte PDU content + FSS field (4) + source
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// name field (10) + dest name field (1).
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REQUIRE(serializer.getWholePduSize() == 27);
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REQUIRE(serializer.getSourceFileName().getSerializedSize() == 10);
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REQUIRE(serializer.getDestFileName().getSerializedSize() == 1);
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REQUIRE(info.getSerializedSize() == 5);
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REQUIRE((mdBuffer[1] << 8 | mdBuffer[2]) == 17);
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REQUIRE(serializer.getSerializedSize() == serializer.getWholePduSize());
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metadataCheckPartOne();
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REQUIRE(mdBuffer[26] == 0);
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}
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SECTION("Serialize with dest name") {
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std::string secondFileName = "hello2.txt";
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cfdp::StringLv destFileName2(secondFileName);
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MetadataPduCreator serializer(pduConf, info, sourceFileName, destFileName2, nullptr, 0);
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result = serializer.serialize(&buffer, &sz, mdBuffer.size(), SerializeIF::Endianness::NETWORK);
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REQUIRE(result == returnvalue::OK);
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// 10 byte heater + 1 byte PDU directive field + 1 byte PDU content + FSS field (4) + source
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// name field (10) + dest name field (11).
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REQUIRE(serializer.getWholePduSize() == 37);
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CHECK(sz == serializer.getSerializedSize());
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REQUIRE((mdBuffer[1] << 8 | mdBuffer[2]) == 27);
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REQUIRE(serializer.getSerializedSize() == serializer.getWholePduSize());
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metadataCheckPartOne();
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// Size of destination name field
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REQUIRE(mdBuffer[26] == 10);
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REQUIRE(mdBuffer[27] == 'h');
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REQUIRE(mdBuffer[28] == 'e');
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REQUIRE(mdBuffer[29] == 'l');
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REQUIRE(mdBuffer[30] == 'l');
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REQUIRE(mdBuffer[31] == 'o');
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REQUIRE(mdBuffer[32] == '2');
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REQUIRE(mdBuffer[33] == '.');
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REQUIRE(mdBuffer[34] == 't');
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REQUIRE(mdBuffer[35] == 'x');
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REQUIRE(mdBuffer[36] == 't');
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}
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SECTION("Serialize with 2 options") {
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std::string otherFileName = "hello2.txt";
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cfdp::StringLv otherFileNameLv(otherFileName.data(), otherFileName.size());
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MetadataPduCreator serializer(pduConf, info, otherFileNameLv, destFileName, options.data(),
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options.size());
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info.setChecksumType(cfdp::ChecksumType::CRC_32C);
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info.setClosureRequested(true);
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serializer.updateDirectiveFieldLen();
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result = serializer.serialize(&buffer, &sz, mdBuffer.size(), SerializeIF::Endianness::NETWORK);
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REQUIRE(result == returnvalue::OK);
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REQUIRE((mdBuffer[1] << 8 | mdBuffer[2]) == 37);
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auto checksumType = static_cast<cfdp::ChecksumType>(mdBuffer[11] & 0x0f);
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REQUIRE(checksumType == cfdp::ChecksumType::CRC_32C);
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bool closureRequested = mdBuffer[11] >> 6 & 0x01;
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REQUIRE(closureRequested == true);
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// The size of the two options is 19. Summing up:
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// - 11 bytes of source file name
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// - 1 byte for dest file name
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// - 4 for FSS
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// - 1 leading byte.
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// - 1 byte for PDU type
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// PDU header has 10 bytes.
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// I am not going to check the options raw content, those are part of the dedicated
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// TLV unittests
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REQUIRE(sz == 10 + 37);
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for (size_t maxSz = 0; maxSz < sz; maxSz++) {
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buffer = mdBuffer.data();
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sz = 0;
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result = serializer.serialize(&buffer, &sz, maxSz, SerializeIF::Endianness::NETWORK);
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REQUIRE(result == SerializeIF::BUFFER_TOO_SHORT);
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}
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for (size_t initSz = 1; initSz < 47; initSz++) {
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buffer = mdBuffer.data();
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sz = initSz;
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result = serializer.serialize(&buffer, &sz, 46, SerializeIF::Endianness::NETWORK);
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REQUIRE(result == SerializeIF::BUFFER_TOO_SHORT);
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}
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}
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SECTION("Deserialize") {
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MetadataPduCreator serializer(pduConf, info, sourceFileName, destFileName, nullptr, 0);
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result = serializer.serialize(&buffer, &sz, mdBuffer.size(), SerializeIF::Endianness::NETWORK);
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REQUIRE(result == returnvalue::OK);
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MetadataPduReader deserializer(mdBuffer.data(), mdBuffer.size(), info, nullptr, 0);
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result = deserializer.parseData();
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REQUIRE(result == returnvalue::OK);
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size_t fullSize = deserializer.getWholePduSize();
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for (size_t maxSz = 0; maxSz < fullSize; maxSz++) {
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MetadataPduReader invalidSzDeser(mdBuffer.data(), maxSz, info, nullptr, 0);
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result = invalidSzDeser.parseData();
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REQUIRE(result != returnvalue::OK);
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}
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}
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SECTION("Deserialize with 2 options") {
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MetadataPduCreator serializer(pduConf, info, sourceFileName, destFileName, options.data(),
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options.size());
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info.setChecksumType(cfdp::ChecksumType::CRC_32C);
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info.setClosureRequested(true);
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serializer.updateDirectiveFieldLen();
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result = serializer.serialize(&buffer, &sz, mdBuffer.size(), SerializeIF::Endianness::NETWORK);
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REQUIRE(result == returnvalue::OK);
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MetadataPduReader deserializer2(mdBuffer.data(), mdBuffer.size(), info, tlvDeser.data(),
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tlvDeser.max_size());
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result = deserializer2.parseData();
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REQUIRE(result == returnvalue::OK);
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REQUIRE(options[0]->getType() == cfdp::TlvType::FILESTORE_RESPONSE);
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REQUIRE(options[0]->getSerializedSize() == 14);
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REQUIRE(options[1]->getType() == cfdp::TlvType::MSG_TO_USER);
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REQUIRE(options[1]->getSerializedSize() == 5);
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for (size_t invalidFieldLen = 0; invalidFieldLen < 36; invalidFieldLen++) {
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mdBuffer[1] = (invalidFieldLen >> 8) & 0xff;
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mdBuffer[2] = invalidFieldLen & 0xff;
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if (invalidFieldLen == 17) {
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volatile uint32_t dummy = 0;
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}
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result = deserializer2.parseData();
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if (invalidFieldLen == 17) {
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REQUIRE(deserializer2.getNumberOfParsedOptions() == 0);
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}
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if (invalidFieldLen == 31) {
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REQUIRE(deserializer2.getNumberOfParsedOptions() == 1);
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}
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// This is the precise length where there are no options or one option
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if (invalidFieldLen != 17 and invalidFieldLen != 31) {
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REQUIRE(result != returnvalue::OK);
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}
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}
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mdBuffer[1] = (36 >> 8) & 0xff;
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mdBuffer[2] = 36 & 0xff;
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}
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SECTION("Can not parse options") {
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MetadataPduCreator serializer(pduConf, info, sourceFileName, destFileName, options.data(),
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options.size());
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info.setChecksumType(cfdp::ChecksumType::CRC_32C);
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info.setClosureRequested(true);
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buffer = mdBuffer.data();
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sz = 0;
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serializer.updateDirectiveFieldLen();
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// info.setSourceFileName(sourceFileName);
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result = serializer.serialize(&buffer, &sz, mdBuffer.size(), SerializeIF::Endianness::NETWORK);
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REQUIRE(result == returnvalue::OK);
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MetadataPduReader deserializer2(mdBuffer.data(), mdBuffer.size(), info, nullptr, 0);
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REQUIRE(deserializer2.parseData() == cfdp::METADATA_CANT_PARSE_OPTIONS);
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for (size_t maxSz = 0; maxSz < 46; maxSz++) {
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MetadataPduReader invalidSzDeser(mdBuffer.data(), maxSz, info, nullptr, 0);
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if (not invalidSzDeser.isNull()) {
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result = invalidSzDeser.parseData();
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REQUIRE(result == SerializeIF::STREAM_TOO_SHORT);
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}
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}
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}
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}
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